 /*******************************************************************************
  * Copyright (c) 2002, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.cheatsheets.actions;

 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.action.Action;
 import org.eclipse.ui.*;
 import org.eclipse.ui.cheatsheets.*;
 import org.eclipse.ui.internal.cheatsheets.*;

 /**
  * Action to programmatically open a perspective from a cheat sheet.
  * The perspective id must be passed to the action via param1.
  *
  * <p>
  * This class may be instantiated; it is not intended to be subclassed.
  * </p>
  *
  */
 public class OpenPerspective extends Action implements ICheatSheetAction {

     /**
      * Create a new <code>OpenPerspective</code> action.
      */
     public OpenPerspective() {
     }


     /**
      * @see Action#run()
      */
     public void run(String [] params, ICheatSheetManager manager) {
         try {
             if(params == null || params[0] == null) {
                 return;
             }

             IWorkbench workbench = PlatformUI.getWorkbench();
             IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
             IWorkbenchPage page = window.getActivePage();

             IPerspectiveDescriptor perspective = workbench.getPerspectiveRegistry().findPerspectiveWithId(params[0]);
             page.setPerspective(perspective);
         } catch(Exception e) {
             IStatus status = new Status(IStatus.ERROR, ICheatSheetResource.CHEAT_SHEET_PLUGIN_ID, IStatus.OK, Messages.ERROR_OPENING_PERSPECTIVE, null);
             CheatSheetPlugin.getPlugin().getLog().log(status);
         }
     }
 }

